Lenses: NBFX STRATOS anthracite F3Guarantees uncompromising precision and clarity of vision. STRATOS lenses perform best on clear sunny days. The blue light is not filtered which means far more available energy for the body and therefore top performance.

UNBREAKABLE & MADE IN AUSTRIALenses and frame are unbreakable due to the material NBFX - protects during sports, very practical in everyday life. The lenses and frame return to their original shape due to the Memory Effect when bended.